Wizards just did this.
And I came. Hard.
Yes, it's all available free online from some neckbeard with a scanner, but damnit, I'll pay for high quality, searchable, indexed PDF's.
More exciting is the company's changing attitude to its back catalogue.
Please believe I'll be picking up the AD&D 2E reprints, I just almost grabbed the AD&D set.
I need to go home and change.